export ARM = arm64
export CROSS_COMPILE = /home/book/tspi/RK3566_Android11/prebuilts/gcc/linux-x86/aarch64/gcc-linaro-6.3.1-2017.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-

obj-m += hello.o
KDIR := /home/book/tspi/RK3566_Android11/kernel
PWD ?= $(shell pwd)
all:
	make -C $(KDIR) M=$(PWD) modules
clean:
	rm -f *.ko *.o *.mod.o *.mod.c *.symvers *.order